Home / 11,146,590.30-16,719,885.45-9,445,979.10

Finding the Fourth Proportional to 11,146,590.30, 16,719,885.45 and 9,445,979.10

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Solution

The fourth proportional to 11,146,590.30, 16,719,885.45 and 9,445,979.10 is: 14,168,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146,590.30 : 16,719,885.45 = 9,445,979.10 : x
  2. Step 2: Convert to fraction form
    11,146,590.30/16,719,885.45 = 9,445,979.10/x
  3. Step 3: Cross multiply
    11,146,590.30x = 16,719,885.45 × 9,445,979.10
  4. Step 4: Simplify right side
    11,146,590.30x = 157,935,688,515,094.09
  5. Step 5: Solve for x
    x = 157,935,688,515,094.09/11,146,590.30
  6. Step 6: Final answer
    x = 14,168,968.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.